Technibel 38.7104.070, Technical Data & Service Manual

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5-4 Dry Mode Operation
Dry operation remove moisture from indoor air running, in cooling mode, at a low level without
reducing the ambient temperature.
This is done cycling ON and OFF indoor and outdoor units according to below.
ROOM DRY LEVEL
TEMP
≥ SPT+2°C LEVEL 0
Operation according to COOLING mode
CM on
< SPT+2°C LEVEL 1
FMO on
≥ SPT-1°C
FMI switches between L and off (30 seconds)
RV off
CM switches 9 minutes off and 3 minutes on
< SPT-1°C LEVEL 2
FMO switches 9 minutes off and 3 minutes ON
≥ 15°C
FMI switches off and L during CM operation
RV off
CM off
< 15°C DRY OFF ZONE
FMO off
FMI off
RV off
SPT = Set Point Temperature
5-5 Fan Mode Operation
With this mode, the indoor fan is turned on while CM, FMO and RV stay off all the time.
The user can select between 3 speeds: HIGH, MEDIUM and LOW.
5-6 Auto Fan speed
With this option selected, the indoor fan speed changes automatically according to
the difference between the detected air temperature (RAT sensor) and the set point (SPT):
COOLING MODE
2
≤
(RAT – SPT): HIGH speed
1
≤
(RAT – SPT)
<
2:
MEDIUM speed
(RAT – SPT)
<
1:
LOW speed
HEATING MODE
2
≤
(SPT - RAT):
HIGH speed
(SPT - RAT)
<
2:
MEDIUM speed
NOTE
SPT = Set Point Temperature
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